28006605

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1951}}^1$

素因数の和:2002

約数の個数: 48

約数和(自身を含む): 54812160

約数和(自身を除く): 26805555

約数列:

[1, 3, 5, 9, 11, 15, 29, 33, 45, 55, 87, 99, 145, 165, 261, 319, 435, 495, 957, 1305, 1595, 1951, 2871, 4785, 5853, 9755, 14355, 17559, 21461, 29265, 56579, 64383, 87795, 107305, 169737, 193149, 282895, 321915, 509211, 622369, 848685, 965745, 1867107, 2546055, 3111845, 5601321, 9335535, 28006605]

約数ペア:

[(1, 28006605), (3, 9335535), (5, 5601321), (9, 3111845), (11, 2546055), (15, 1867107), (29, 965745), (33, 848685), (45, 622369), (55, 509211), (87, 321915), (99, 282895), (145, 193149), (165, 169737), (261, 107305), (319, 87795), (435, 64383), (495, 56579), (957, 29265), (1305, 21461), (1595, 17559), (1951, 14355), (2871, 9755), (4785, 5853)]